GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
65
2) External Connection for Modularly Connected Units
The maximum number of connected ODUs (N) and that of connected IDUs (n) are determined
based on the combination form of ODUs. For details, see the description on unit capacity configuration.
7.2.3 Procedure for Installing the Power Cable
1) Knock off the knockouts used for threading the external power cable, fit the threading rubber ring
to the hole, and thread the power cable through the hole. Connect L1, L2, L3, and N of the
power cable, and the grounding cable to L1, L2, L3, and N on the power terminal block and the
grounding screw next to the terminal block respectively.
Inner-unit connection cable
Terminal block
Connector of the
grounding cable
Fixing mode
of tablet
compressing
Externally
connected
power
cable
Fixing mode of
reverse u-type
Exposed
conducting wire
Fixing mode of
straight insertion
Externally
connected
power
cable
Inner-unit connection cable
Terminal block
Connector of the
grounding cable
Inner-unit connection cable
Terminal block
Connector of the
grounding cable
Externally
connected
power
cable
2) Fasten the power cord with cable tie.
3) Lay the power cable and communication cable for the ODU according to the marker of external
connection circuit diagram.
